Two percent of flights operated by U.S. airlines were canceled in August, according to the U.S. Department of Transportation.

Frontier and Spirit are two of the most popular ultra-low-cost carriers, but which is the better airline, and which offers ...

Spirit is financially troubled and vulnerable right now, and Frontier sees an opening. Spirit may be having its share of ...

While airlines worldwide grapple with groundings of Airbus A320neo-family jets due to Pratt & Whitney's recall of hundreds of ...

Spirit Airlines is taking aggressive steps to avoid bankruptcy, but the best-case outcome still isn't likely to result in a ...

A look at why one TPG staffer chose to get the Frontier Airlines World Mastercard and how he's making the most of the card's ...

NTSB: An electrical system malfunctioned, the autopilot quit and radio communications were disrupted aboard the flight from ...

An electrical system malfunctioned, the autopilot quit and some radio communications were disrupted aboard a Frontier Airlines plane before the pilots made a fiery but safe emergency landing in Las ...

Ben Baldanza, who helped pioneer discount air travel as head of Spirit Airlines Inc. and became a target of passenger ...

Frontier Airlines launched flights between Newark Liberty International Airport (EWR) and Hartsfield-Jackson Atlanta ...

Low-cost guru David Neeleman, who has founded five budget carriers since 1984, told BI some airlines have failed to adapt to ...